903450 2S 1700mAh lipo battery Large Capacity Monitoring Anti-theft System Backup Battery for Breast Pump/POS Machine


  • Using lithium cobaltate high energy density material, long cycle life, low internal resistance, high current, small volume, high energy.
  • High-security performance, built-in protection board, over-charge / over-discharge protection, Customers can use safely.
  • Advanced automatic/intelligent instrument distinguishing battery capacity, voltage, and internal resistance to assure battery cell consistency within the battery pack.



Breast pump, POS machine, beauty instrument, earphone, Bluetooth sound, hand warmer, GPS, air purifier, electric massager, portable lighting, detector, monitoring & anti-theft system. etc.

Model: 903450-2S/1700mAh Nominal Voltage:  7.4V
Power: 12.58Wh Shipping Voltage:  3.8V-3.95V
Charging Cut-off Voltage:  4.2V Discharge Cut-off Voltage: 3.0V
Internal Resistance: ≤35 mΩ Standard Charging Current: 0.2C
Max. Charging Current: 1C Standard Discharge Current:  0.2C
Max. Discharge Current: 1.0C Nominal Capacity:  1700mAh
Dimension: 18.0* 34.0*50.0mm (Max.) Discharge Temperature: 0℃- +45 ℃
Charging Temperature:  -20℃- +60 ℃ Cycle Life:  300 times >80%
Certification: UL, CE, KC, PSE, ROHS, UN38.3, MSDS…
Safety Protection:  Overcharge, over-discharge, over current and short circuit protection